Keywords: MID11138, SMID11409, Achilleus 309, Nereus 108, Polyxene 11, hydria, vase painting, black figured, Attica, terracotta, -540/-520, United States, New York, Metropolitan Museum of Art, 06.1021.48, sword, helmet, horse, old man, ketos, sea monster, Achilleus, Nereus, Polyxene, Thetis, Troilos